DataQuality	SamplingProcedure	FieldQualityAssurance	LaboratoryAnalyticalMethod
0	Unknown	Unknown	Unknown
1	Grab sample	None	Not a USEPA-accepted method
2	Follows accepted sampling procedures	None or unknown	A USEPA-accepted method
3	Follows accepted sampling procedures	Field duplicates or blanks	A USEPA-accepted method
4	Strict sampling protocols	Field duplicates and blanks	A USEPA-accepted method
